NU403 Heme-Onc Study FA23 Exam
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What is a systemic injury initiated by antigen-antibody complexes that circulate in the
blood. This may occur with ATG treatment for aplastic anemia. Methylprednisolone is
often given to prevent this... - Answer serum sickness
A patient of a Mediterranean descent is a clue
The RBcs are very rapidly destroyed (hemolysis occurs) and release free iron into the
circulation producing a severe anemia.
causes pain and organomegaly, bronze skin, bone deformities, organ failure - Answer
Beta Thalassemia
The percentage and actual number of mature circulating neutrophils; used to measure a
patient's risk for infection. The higher the numbers, the greater the resistance to
infection. - Answer Absolute Neutrophil Count (ANC)
What level is considered neutropenia? When is it considered severe? - Answer <1000
considered neutropenia
<500 severe neutropenia
A school-aged child is admitted to the hospital with a vaso-occlusive sickle cell crisis.
Which measure in his care should be given priority?
a) Seeing that he ingests a protein-rich diet
b) Beginning active range-of-motion exercises
c) Maintaining a fluid intravenous line
d) Encouraging him to take deep breaths hourly - Answer Maintaining a fluid intravenous
line
Correct
Explanation:
Dehydration increases sickling of cells, so maintaining fluid balance is important.
Cytotoxan (cyclophosphamide) - Answer Chemotherapy agent that can cause
hemorrhagic cystitis. Must hydrate, urinate q 2hours, assess for hematuria prior to
giving med.
What to know about pre op and post op Infratentorial tumors?? - Answer pre op: Since
infratentorial tumors occur in the cerebellum, it may affect a patient's gait and balance.
, post op: keep pt flat,
sidelying, keep head
and neck midline
excess iron deposits throughout the body that lead to build up in the tissues and organ
damage - Answer hemochromatosis
nursing intervention for post op supratentorial tumors - Answer Keep HOB at 30
degrees
IV fluids for post op brain tumor patient - Answer Be careful not to overhydrate and
increase ICP, Avoid hypotonic fluids (they increase ICP) so you would give hypertonic
fluids.
What is Neuroblastoma and what are the common findings? - Answer Nervous system
tumor
Supraorbital ecchymosis
Catecholamines in urine (vma and hva)
Leukocoria - Answer (absence of cat's eye reflex) in retinoblastoma
What is Thrombocytopenia
How does it happen? - Answer -low platelet count
-results from damage to bone marrow, chemotherapy, leukemia, or overactive spleen
what do thrombocytopenia pts need to avoid?? - Answer -no rough sports
-at risk for bleeding
-avoid IM injections, rectal temps, NSAIDS,
Tumor Lysis Syndrome (TLS) - Answer -oncologic emergency with rapid lysis of
malignant cells
-usually the result of chemotherapy or sometimes radiation
-may occur 24 hours-7 days after antineoplastic therapy is initiated
-develops when chemotherapy or irradiations causes the destruction of a large number
of rapidly dividing malignant cells
-intracellular contents are rapidly released into the bloodstream
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